Journal of Electrical and Electronic Engineering

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Volume 1, Issue 5, December 2013

  • Design and Analysis of a 0.4V 1.08mW 12GHz High-Performance VCO in 0.18μm CMOS (Invited Paper)

    To-Po Wang, Chung-Chin Li

    Issue: Volume 1, Issue 5, December 2013
    Pages: 107-113
    Received: 30 October 2013
    Published: 30 November 2013
    DOI: 10.11648/j.jeee.20130105.11
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    Abstract: This paper presents the design and analysis of a high-performance fully-integrated 0.18μm CMOS voltage-controlled oscillator (VCO) with low supply voltage and low dc power consumption. To enhance the transconductance (gm) of MOSFETs and negative conductance (-Gm) of a cross-coupled pair, the device size of the nMOS cross-coupled pair is enlarged. F... Show More
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  • Analytical Surface Charge Control Model for AlN/GaN/AlGaN Double Heterojunction Field-Effect Transistor

    Md Shofiqul Islam Khan

    Issue: Volume 1, Issue 5, December 2013
    Pages: 114-122
    Received: 17 November 2013
    Published: 30 November 2013
    DOI: 10.11648/j.jeee.20130105.12
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    Abstract: We have argued that the nature of surface potential variation with gate voltage of AlN/GaN/AlGaN Double Heterojunction Field Effect Transistor (DHFET) is no different from that of the conventional GaAs/AlGaAs HEMT devices. Necessary simulated band diagrams have been presented to justify our claim and we have also proposed a non-linear expression fo... Show More
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